Sibarani, Bintang Berliana, Tutik Siswanti, and Setiadi Setiadi. “Abnormal Return Saham Pada Masa Pandemic Covid 19 Menggunakan Market Adjusted Model (Event Study Saham Lq-45, 100 Hari Perdagangan)”. Jurnal Disrupsi Bisnis 6, no. 1 (January 30, 2023): 24–40. Accessed October 9, 2024. https://openjournal.unpam.ac.id/index.php/DRB/article/view/27066.